UPDATE 
  cscart_lock_keys 
SET 
  expiry_at = UNIX_TIMESTAMP(NOW()) + 30, 
  token = 'n83OuFI/uI6eth72xXXLCwsyUuVao5NAMf6sDcFaX+M=' 
WHERE 
  key_id = 'ae27d6fa231f3a81f2a21812dfba700f785dedf7e59ac2761f3b9f26822daff8' 
  AND (
    token = 'n83OuFI/uI6eth72xXXLCwsyUuVao5NAMf6sDcFaX+M=' 
    OR expiry_at <= UNIX_TIMESTAMP(NOW())
  )